Root [Boost Mobile] no baseband, no status after flashing

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Sep 10, 2013

after flashing my phone to Slimbean 4.3 i didnt realize i needed to fix mms , and flashed again thinking it would fix itself if i went back to stock 4.1 JB,,, but didnt realize i had already installed JB 4.3 update and Knox , and never made a cwm backup ... now i think i did something cuz cant use with boost and they want me send it in for repair... but a guy down the street at a slash shop said he could fix for 50 bucks so i though was just a software thing i could maybee do myself... id really love to do it myself ,, if there is anyway to repair ,, i would appreciate any advise from someone with more experience sorry im newbie,, who thought he knew what he was doing ....some of the symptoms i have are,, no baseband, says unknown,, in status under settings almost everything says unknown.. and i cant mount internal sorage when trying to use custom recovery..also a circle with a line through it on status bar..

i do howerver have a working phone with JB 4.1 ... just wont update or connect to boost network anymore.. tried taking to the boost store and they couldnt help get it back on,, so i reconnected my old phone for now.

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Sep 10, 2013

okay thank you for yr reeply.. i just downloaded the MK5 modem today cuz read earlier could be the issue so ill try install that now,, but how do i fix apn settings? could u provide a link for boost sgs3 fix apn settings plz sry to be bother ive really looked everywhere and seems like its only sprint ,, and not sure whats compatible.. thx

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WOW!! Thank You SO Much! that was easy,, cant believe they wanted 50 bucks for 2 minutes of work and a 20 mb download... pos... thank u iMaYG.. Awsome ,,,im back in buisness thank u again this fixed me rite up,, just installed MK5 baseband with CWMrecovery "altered" for mounting internal storage. and now gona call boost see if they can switch this phone back on .. ill post again make sure its really fixed but looks like that did it thank u!

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Jun 27, 2011

Welcome to the best little fix it forum for the S3 on the Internet. There are guys in here who definitely know their stuff. Even better, they do it because they love helping people, not to charge someone $50 for a fix that probably only took 10 minutes.

There is a wealth of information in this section. I suggest taking some time and read through the threads. Even the older ones.

Glad you got your phone fixed up bro. I know you're one happy camper right now. Just remember to hit the THANKS tab if someone has helped you.